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BMW, spare key started car alarm

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  • 21-12-2007 1:05pm
    #1
    babel
    Closed Accounts Posts: 65 ✭✭


    Hi guys,

    Yesterday I opened my car door using the spare key I have. When I unlocked the car (and it did unlock) the alarm went off immediately. This key does not have any remote locking buttons on it. Does anybody know if I need to get this key chipped to work with the car?

    Thanks


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    #2
    [Deleted User]
    Posts: 3,621 ✭✭✭ [Deleted User]


    I'm curious about this too. My second key behaves in the same way.

    If I lock the car and activate the alarm with remote central locking the spare key doesn't disable the alarm until you put it in the ignition.


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    #3
    E92
    Closed Accounts Posts: 4,147 ✭✭✭E92


    If you do this in my Volvo S40 which has a factory fitted alarm as standard, the alarm goes off when you don't use the remote locking system but you can still drive the car. It stops once you put your key in and try to start it.


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    #4
    Fey!
    Registered Users Posts: 4,184 ✭✭✭Fey!


    Key may need to be coded to the car. Mr Diagnostic should be able to confirm this, and whether or not it would be a dealer job.


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    #5
    JohnCleary
    Registered Users Posts: 10,210 ✭✭✭✭JohnCleary


    This is the case with all E46's (Could be other models too)

    You lock your car with the RCL... doors lock and alarm activates

    You lock your car with the key... doors lock and alarm activates

    You open your car with the RCL... doors unlock and alarm de-activates

    You open your car with the key... alarm goes off until you stick it in the ignition.


    If you want to lock your car with the RCL and do *NOT* want the interior sensors to activate (ie. say if you have a dog or the GF and want to leave them there :D), when you press the lock button with the RCL, release it and quickly press it again. I'm not too sure if this doesn't activate the alarm or just the interior sensor


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    #6
    jhegarty
    Registered Users Posts: 6,440 ✭✭✭jhegarty


    The alarm will do that until you put the key in the ignition...


    locking with the key will turn on the alarm , but not the motion sensor....this means there will not be an intimidate alarm if you unlock with the key and get in....


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    #7
    babel
    Closed Accounts Posts: 65 ✭✭babel


    thanks for the replies! It is an E46 alright. I will try out your suggestions. Thanks


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